SOLUTION: the equation 2x-3x^1/2 + 1 = 0 has two solutions. The sum of the solutions is:
a 1 b 1/2 c 5/4 d 4 e 3/2
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Question 309140: the equation 2x-3x^1/2 + 1 = 0 has two solutions. The sum of the solutions is:
a 1 b 1/2 c 5/4 d 4 e 3/2
Answer by texttutoring(324) (Show Source): You can put this solution on YOUR website!
Recall that x^1/2 is the same as Sqrt(x).
Factor:
2x -3x^(1/2) +1 =0
(2x^(1/2) - 1)(x^(1/2) - 1) = 0
So either:
2x^(1/2) - 1 =0
2x^(1/2)=1
x=1/4
OR
x^(1/2) - 1 = 0
x^(1/2) = 1
x= 1
Add 1+1/4 to get 5/4.
The sum of the answers is 5/4.
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